1956 Eberhard Extra-Fort Ref. 14010 in 18K gold, presented in 1956 to Georges (Alfred Georges Henri) Guignard (1892-1963), bourgeois of L'Abbaye in the Vallée de Joux, by Dépraz & Cie (today Dubois Dépraz, supplier to Patek Philippe, Rolex, Breitling, and...